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How Do Cavities Work?

Genes are partially to blame for cavities. Families with "soft teeth" tend to wear away enamel more often.

How Do Cavities Work?


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Key Facts In This Video

  1. Teeth are made of three main parts: enamel, dentin, and the blood supply and nerve. 00:18

  2. Certain kinds of bacteria produce acid which eat through the enamel of teeth and create a cavity. 00:46

  3. When your cavity eats all the way down to your nerve, a root canal is required. 01:06

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